Last Updated
：2025/12/06
inferior pharyngeal constrictor
Noun
Japanese Meaning
下咽頭括約筋：咽頭の三重括約筋の内、最も厚い筋肉で、気管軟骨および甲状軟骨の表面・側面から起始し、咽頭後部の正中線に挿入される。嚥下時に咽頭の一部を収縮させる働きをする。
（ plural ）
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(anatomy) A muscle of the pharynx that is the thickest of its three constrictors, arises from the surface and side of the cricoid and thyroid cartilages, inserts into the median line at the back of the pharynx, and acts to constrict part of the pharynx in swallowing.
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inferior pharyngeal constrictor
During the swallowing reflex, the inferior pharyngeal constrictor contracts strongly to propel the bolus into the esophagus.
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During the swallowing reflex, the inferior pharyngeal constrictor contracts strongly to propel the bolus into the esophagus.
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